import java.io.*;
import java.awt.*;
import java.lang.*;

public class extends3  
{
   
   public static void main(String[] jim) throws IOException 
   {
    class Parent 
    {
     private int size = 5;
     
     
     void bumpsize()  //Parent method which is public by default   // (1)
     {
      System.out.println();
      System.out.println("Parent size is "+ size);
      size++;
      System.out.println();
      System.out.println("Parent size is " + size);
     }
    }//end Parent
     class Son extends Parent   //   (2)
      {
      }// end Son
       
       Son joe = new Son();    //    (3)
       joe.bumpsize();        //     (4)
       joe.bumpsize();
       //joe.size = 15; creates a compiler error  // (5) 
       
           
    } //end main

} //end class